I found this when looking for a fairly recent trip, but didn't make it. Zuierbad looks like it might be the more central. It looks like they keep the water a bit warm (deliberately) but they do offer a nudist evening, on the plus side.
www.iamsterdam.com/.../swimming-poolshttp://hetmarnix.nl/ looks like the best option for centrality and actual swimming facilities.
I found this when looking for a fairly recent trip, but didn't make it. Zuierbad looks like it might be the more central. It looks like they keep the water a bit warm (deliberately) but they do offer a nudist evening, on the plus side.
www.iamsterdam.com/.../swimming-poolshttp://hetmarnix.nl/ looks like the best option for centrality and actual swimming facilities.